EN / 10-2015 / 1000683
© STULZ GmbH, Hamburg
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Maintenance
STULZUltraSonic-SystemforDirectRoomHumidificationBNB-
11.
Maintenance
CAUTION
Danger of death. Electric shock risk.
Power to the system must be switched off during maintenance checks. The water supply line valve
must also be closed.
WARNING
DANGER
CAUTION
Megohmmeter.
Whenmeasuringtheinsulationresistance,makesurethatthemegohmmetervoltage(500V)doesnot
reach the humidifying part, as this would damage the transistors.
NOTICE
CAUTION
Suitable tools.
Only work with suitable tools, as otherwise damages could be caused.
NOTICE
CAUTION
Genuine spare parts.
Only genuine STULZ spare parts may be used.
CAUTION
Danger of property damage due to electric shock.
Donotswitchonthepowersourceiftheultrasonichumidifierislyingonitssideoronitshead.
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This would damage the unit, as it has no water in this position.
CAUTION
Small parts.
Take care not to lose small parts.
Note
CAUTION
Risk of injury from sharp edges.
• Make sure that all persons and specialist engineers wear the appropriate protective equipment
(gloves,helmet,safetygoggles)fortheirwork.
CAUTION
Risk of injury from hot PCBs.
The nebulizer print plate can be very hot immediately after operation.
• Always allow PCBs to cool down.